Reflections on science, technology, and computing — leavened by personal experience


After the Chinese surveillance balloon was shot down, there was speculation the U.S. may have later downed a $250 amateur science project.

The conflict between airlines and wireless carriers over 5G and radar altimeters could have been prevented by clearer and better coordinated policy leadership in Washington.

Internet access was once a luxury, but no longer. In a 21st century knowledge economy, high-speed Internet services are the roads, waterways and rail lines of trade and commerce.

Several studies have shown that large parts of the available spectrum are unused most of the time at most locations, within a reasonable detection threshold.With the rise inexpensive, high-performance microprocessors and radio frequency (RF) system-on-a-chip (SoC) designs, more nimble, cognitive radio designs are now possible that can operate across wide portions of the spectrum.